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liubo4ka [24]
3 years ago
9

The distance between the library and the grocery store is 4cm on the map .the actual distance is 12 km what is the scale of the

map?
Mathematics
2 answers:
Alborosie3 years ago
6 0

Answer:

X3

Step-by-step explanation:

aleksklad [387]3 years ago
4 0

Answer:

1cm = 3km

just divide by 4

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Apple tarts sell for 3 for$5.00. How much will 8 tarts cost?
MAXImum [283]

Answer:

<h2>$13.30</h2>

Step-by-step explanation:

Step one:

given

We are told that 3 apples seels for $5

let us first find the selling price of 1 apple

an apple = 5/3

=$1.6

Required

Step two:

The selling price of 8 apples

if 1 apple sells for $1.6

then 8 apples will sell for

=8*1.6

=$13.30

8 0
3 years ago
How many nanoseconds does it take for a computer to perform one calculation if it performs 6.7 × 10^{7} calculations per second?
crimeas [40]

Answer:

<u><em>the comuter does 1 calculation in 1.5*10^{-17} nanosec</em></u>

Step-by-step explanation:

<u><em>First step: we need to write all terms in nanosec, as we know:</em></u>

<u><em>1[nanosec]= 10^{-9}[sec]</em></u>

<u><em>The computer does 6.7*10^{7} [\frac{calculation}{sec}]</em></u>

<u><em>if we multiplicate for \frac{sec}{nanosec*10^{*9}}, from the units convertion.</em></u>

<u><em>6.7*10^{7} [\frac{calculation}{sec} * \frac{sec}{nanosec*10^{*9}}</em></u>

<u><em>6.7* 10^{16} [\frac{calculation}{nanosec}]</em></u>

<u><em>Now doing a simple three rule we have this:</em></u>

<u><em>6.7 * 10^{16} calculation in ⇒ 1 nanosec</em></u>

<u><em>1 calculation in ⇒ \frac{1 nanosec* 1calculation}{6.7*10^{16} calculation }</em></u>

<u><em>So, we found: the comuter does 1 calculation in 1.5*10^{-17} nanosec</em></u>

8 0
3 years ago
What a false conditional statement that has a true converse
Nady [450]
A conditional statement is any statement in the "If..., then..." form. The converse switches the hypothesis and the conclusion. It's easiest to demonstrate this in an example:

Our statement will be "If an animal is a dog, then it has four legs." Now to switch the hypothesis and conclusion, we take the "an animal is a dog" part, and switch it with the "it has four legs" part". I will change the wording slightly so the sentence still makes grammatical sense: "If an animal has four legs, then it is a dog".

Now the final statement from the previous example serves as the perfect false conditional statement with a true converse:
Statement: "If an animal has four legs, then it is a dog", clearly false.
Converse: "If an animal is a dog, then it has four legs", a true statement.
5 0
3 years ago
Use the net as an aid to compute the surface area of the triangular prism. A) 550m^2 B) 614m^2 C) 670m^2 D) 790m^2
nexus9112 [7]

Answer:

D

Step-by-step explanation:

The surface area of the triangular prism consist of area of two rectangles 11 m  by 17 m, one rectangle 11 m by 16 m and area of two triangles.

A_{first \ rectangle}=17\cdot 11=187\ m^2

A_{second\ rectangle} =11\cdot 16=176\ m^2

A_{triangle}=\dfrac{1}{2}\cdot 16\cdot 15=120 \ m^2

The surface area is

SA=2\cdot 187+176+2\cdot 120=790\ m^2

3 0
3 years ago
Read 2 more answers
The price of a math book is 50$, but you have only 35$ with you. If you get a discount of 20%, how much money do you need to bor
tino4ka555 [31]

Answer:

Step-by-step explanation:

The original price of the math book is

50$, The amount of money that you have with you is $35.

If you get a discount of 20%, it means that you get 20% of $50. This is expressed as

20/100 × 50 = 0.2 × 50 = $10

The new cost of the math book is determined by subtracting the discount from the original price. It becomes

50 - 10 = $40

Since the amount that you have with you is $35, the amount that you need to borrow in order to buy the math book is

40 - 35 =$5

6 0
3 years ago
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